Details of the agreement, including the name of the New York publishing house, will be released Tuesday, said Michael Wright, a spokesman for Los Angeles-based literary agent Sharlene Martin of Martin Literary Management.
"The family and publisher have pledged to leave Simpson's manuscript entirely intact, but they will also add key commentary," Wright said in a prepared statement. "The Goldmans, the publisher and Sharlene Martin will all contribute portions of sales proceeds to the Ron Goldman Foundation for Justice."
Wright declined further comment. Martin primarily represents self-help, nonfiction and memoir writers, including "You'll Never Nanny in This Town Again" author Suzanne Hansen, according to her Web site.
The Simpson book, in which he reportedly explains how he might have committed the killings, was not released last year as originally planned because of public outrage.
Last month, a federal bankruptcy judge awarded rights to the book to Goldman's family to help satisfy a $38 million wrongful death judgment against the former football star.
Simpson has maintained his innocence in the 1994 killings of his ex-wife, Nicole Brown Simpson, and her friend Goldman. Simpson, who now lives near Miami, was acquitted of murder in 1995.